Home / 38,669,477.42-53,362,657.14-21,265,768.82

Finding the Fourth Proportional to 38,669,477.42, 53,362,657.14 and 21,265,768.82

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Solution

The fourth proportional to 38,669,477.42, 53,362,657.14 and 21,265,768.82 is: 29,346,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669,477.42 : 53,362,657.14 = 21,265,768.82 : x
  2. Step 2: Convert to fraction form
    38,669,477.42/53,362,657.14 = 21,265,768.82/x
  3. Step 3: Cross multiply
    38,669,477.42x = 53,362,657.14 × 21,265,768.82
  4. Step 4: Simplify right side
    38,669,477.42x = 1,134,797,930,360,162.50
  5. Step 5: Solve for x
    x = 1,134,797,930,360,162.50/38,669,477.42
  6. Step 6: Final answer
    x = 29,346,089.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.